查询词典 calcium carbonate

With the downriver user's technology advancement and the market competition, it is more and more urgent to improve calcium carbonate quality and reduce the cost.

随着下游用户的技术进步和市场竞争，对提高各类碳酸钙质量、降低成本的要求越来越迫切。

Also, our company sale and deal in fireproof material、high and medium magnesite sand、ccm、magnesite brick、magnesite、talc、talc powder、ecectric fused magnesia、pyrope、calcium carbonate、silica、felspar、dolomite、iron ore、cement ore、refractory mortars.

公司同时经销耐火材料、高中档镁砂、轻烧镁粉、镁砖、镁矿石、滑石、滑石粉、电熔镁、镁铝尖晶石、方解石、硅石、长石、白云石、铁矿石、水泥石、喷补料、捣打料。

The experimental results show that when the ratio of seven water ferrous sulfate amount: Calcium carbonate powder amount: Ferri waste residue amount =1.6∶1∶1, desulphurization effect of the obtained product is the best. Each gram of this kind of desulfurizer can completely absorb the sulfur element, which is included by 0.064 9 g five water sodium sulfide.

实验结果表明：当七水硫酸亚铁∶碳酸钙粉末∶含铁废渣=1.6∶1∶1时，制备的脱硫剂脱硫效果最好；每克脱硫剂可全部吸收0.0649g五水硫化钠中的硫元素。

The invention relates to biological feed, in particular to biological feed produced with kitchen waste and filter mud of sugar-refinery, and belongs to novel renewable biological feed and a production method in the resource environmental field. The components adopt kitchen waste and filter mud of sugar-refinery (calcium carbonate content of more than 75 percent to 85 percent) as the raw material.

本发明涉及一种生物饲料，特别是利用餐厨废弃物和糖厂滤泥生产的生物饲料，属于资源环境领域的一种新的再生生物的饲料及其生产方法，其组分选用餐厨废弃物、糖厂滤泥(碳酸钙含量75％～85％以上)为原料。

Past studies have found that the calcium carbonate exoskeletons of corals that make up reefs fluoresce under ultraviolet light, suggesting that they absorb UV rays.

过去的研究发现，构成珊瑚礁的碳酸钙质珊瑚外骨骼在紫外线的照射下会发出荧光，这表明这些外骨骼吸收紫外线。

Oceanic production of calcium carbonate is conventionally attributed to marine plankton (coccolithophores and foraminifera).

海洋中的碳酸钙通常来自于浮游生物。

METHODS:3 levels from each of the amount of four factors-excipient calcium carbonate,tween-80,starch and emollient (magnesium stearate:french chalk) were subjected to the orthogonal design with the parameter of dissolution of the harmine in tablet as an index.

以辅料碳酸钙、吐温-80、淀粉及润滑剂用量为4因素，每因素取3水平，以总碱片中去氢骆驼蓬碱的体外溶出参数为指标进行正交试验。

Humans orientate in 3D by using otoliths, small crystals of calcium carbonate and protein that shift on hairs in the inner ear. Forces acting on these grains as a person moves mean they can sense acceleration and gravitational pull.

人类通过利用耳石、小晶体碳酸盐和内耳毛发中的蛋白质来产生三维立体感，当一个人运动时，力量就会施加在这些微粒上，从而让人感受到加速度和重力牵引。

Mineralogist Peter Heaney of Pennsylvania State University, State College, who was not involved in the research, notes that calcium carbonate and other minerals buffered the acidity of early oceans, helping to make them habitable.

没有参加这项研究的宾夕法尼亚州大学的矿物学家Peter Heaney指出碳酸钙和其他矿物质中和了早期海洋的酸性，有助于把它们变成可居住的地方。

Therefore,the pyrolysis temperature of shell having calcium carbonate is very high but the shell inappositely act as the stabilizer of polymer. This is instructing meaning to study additive and assistant of shell in the future.

因此，具有碳酸钙成分的贝壳虽然本身的热分解温度很高，但并不适合作为聚合物的热稳定剂，这对今后研究贝壳类添加剂或助剂有指导意义。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。